GB1492260A - Data processing systems - Google Patents

Data processing systems

Info

Publication number
GB1492260A
GB1492260A GB46651/74A GB4665174A GB1492260A GB 1492260 A GB1492260 A GB 1492260A GB 46651/74 A GB46651/74 A GB 46651/74A GB 4665174 A GB4665174 A GB 4665174A GB 1492260 A GB1492260 A GB 1492260A
Authority
GB
United Kingdom
Prior art keywords
unit
byte
channel
data
bytes
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB46651/74A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Services Ltd
Original Assignee
Fujitsu Services Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujitsu Services Ltd filed Critical Fujitsu Services Ltd
Priority to GB46651/74A priority Critical patent/GB1492260A/en
Priority to HU75IE702A priority patent/HU175241B/hu
Priority to US05/602,273 priority patent/US4064489A/en
Priority to ZA00755134A priority patent/ZA755134B/xx
Priority to AU83802/75A priority patent/AU494883B2/en
Priority to FR7532183A priority patent/FR2289961A1/fr
Priority to DE2547035A priority patent/DE2547035C3/de
Publication of GB1492260A publication Critical patent/GB1492260A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3066—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction by means of a mask or a bit-map
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/90—Details of database functions independent of the retrieved data types
    • G06F16/903—Querying
    • G06F16/90335—Query processing
    • G06F16/90344—Query processing by using string matching techniques
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S707/00—Data processing: database and file management or data structures
    • Y10S707/99931—Database or file accessing
GB46651/74A 1974-10-29 1974-10-29 Data processing systems Expired GB1492260A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
GB46651/74A GB1492260A (en) 1974-10-29 1974-10-29 Data processing systems
HU75IE702A HU175241B (hu) 1974-10-29 1975-08-05 Ustrojstvo dlja obrabotki dannikh dlja ehlektronnogo iskanija bloka dannikh
US05/602,273 US4064489A (en) 1974-10-29 1975-08-06 Apparatus for searching compressed data file
ZA00755134A ZA755134B (en) 1974-10-29 1975-08-08 Improvements in or relating to data processing systems
AU83802/75A AU494883B2 (en) 1974-10-29 1975-08-08 Improvements in or relating to data processing systems
FR7532183A FR2289961A1 (fr) 1974-10-29 1975-10-21 Systeme informatique de manipulation d'un fichier de donnees
DE2547035A DE2547035C3 (de) 1974-10-29 1975-10-21 Datenverarbeitungseinrichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB46651/74A GB1492260A (en) 1974-10-29 1974-10-29 Data processing systems

Publications (1)

Publication Number Publication Date
GB1492260A true GB1492260A (en) 1977-11-16

Family

ID=10442072

Family Applications (1)

Application Number Title Priority Date Filing Date
GB46651/74A Expired GB1492260A (en) 1974-10-29 1974-10-29 Data processing systems

Country Status (6)

Country Link
US (1) US4064489A (fr)
DE (1) DE2547035C3 (fr)
FR (1) FR2289961A1 (fr)
GB (1) GB1492260A (fr)
HU (1) HU175241B (fr)
ZA (1) ZA755134B (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2310055A (en) * 1996-02-08 1997-08-13 Ibm Compression of structured data
US20200092680A1 (en) * 2014-06-16 2020-03-19 Comcast Cable Communications, Llc User Location and Identity Awareness
US11070860B2 (en) 2013-02-14 2021-07-20 Comcast Cable Communications, Llc Content delivery
US11622160B2 (en) 2014-08-11 2023-04-04 Comcast Cable Communications, Llc Merging permissions and content access

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5362945A (en) * 1976-11-17 1978-06-05 Toshiba Corp Disc address system
US4153943A (en) * 1977-08-12 1979-05-08 Honeywell Inc. High speed I/O for content addressable type memories
US4188669A (en) * 1978-01-13 1980-02-12 Ncr Corporation Decoder for variable-length codes
US4228501A (en) * 1978-06-21 1980-10-14 Data General Corporation Data transfer technique for use with peripheral storage devices
US4285049A (en) * 1978-10-11 1981-08-18 Operating Systems, Inc. Apparatus and method for selecting finite success states by indexing
US4296475A (en) * 1978-12-19 1981-10-20 U.S. Philips Corporation Word-organized, content-addressable memory
US4748589A (en) * 1979-09-06 1988-05-31 Sharp Kabushiki Kaisha Electronic translator
GB2060226A (en) * 1979-10-02 1981-04-29 Ibm Data compression-decompression
US4418275A (en) * 1979-12-07 1983-11-29 Ncr Corporation Data hashing method and apparatus
US4464719A (en) * 1979-12-28 1984-08-07 Chevron Research Company Off-line method of depicting piping items of pipe specification files of a computer-aided graphics system, without duplications occurring
US4449233A (en) 1980-02-04 1984-05-15 Texas Instruments Incorporated Speech synthesis system with parameter look up table
WO1981003560A1 (fr) * 1980-06-02 1981-12-10 Mostek Corp Systeme de compression de donnees, de chiffrage et de transmission directe
JPS58501695A (ja) * 1981-10-05 1983-10-06 デイジタル　イクイプメント　コ−ポレ−シヨン ドライブとコントロ−ラの間で直列通信を使用する二次記憶装置
US4545032A (en) * 1982-03-08 1985-10-01 Iodata, Inc. Method and apparatus for character code compression and expansion
US4937779A (en) * 1983-01-20 1990-06-26 Canon Kabushiki Kaisha Information retrieving apparatus capable of rearranging information stored in memory
US4825403A (en) * 1983-05-16 1989-04-25 Data General Corporation Apparatus guaranteeing that a controller in a disk drive system receives at least some data from an invalid track sector
SE8302786L (sv) * 1983-05-18 1984-11-19 Satt Electronics Ab Radar
US5202979A (en) * 1985-05-08 1993-04-13 Thinking Machines Corporation Storage system using multiple independently mechanically-driven storage units
US4803651A (en) * 1986-02-10 1989-02-07 Ibm Corporation Method for encoding and decoding acyclic, linked-list data structures for efficient storage, retrieval and searching
US5532694A (en) * 1989-01-13 1996-07-02 Stac Electronics, Inc. Data compression apparatus and method using matching string searching and Huffman encoding
US5146221A (en) * 1989-01-13 1992-09-08 Stac, Inc. Data compression apparatus and method
US5313604A (en) * 1990-11-13 1994-05-17 Hewlett-Packard Company Method for locating compressed data in a computed memory back up device including steps of refining estimater location
US5245337A (en) * 1991-05-29 1993-09-14 Triada, Ltd. Data compression with pipeline processors having separate memories
US5592667A (en) * 1991-05-29 1997-01-07 Triada, Ltd. Method of storing compressed data for accelerated interrogation
US5572637A (en) * 1994-06-30 1996-11-05 International Business Machines Corporation Process for merging CAD vector files and automatically removing duplicate and obsolete patterns
GB2387089B (en) * 2002-03-28 2004-12-22 Matsushita Comm Ind Uk Ltd Improved carryout word calculation for cyclic shift registers
US20080082455A1 (en) * 2006-09-29 2008-04-03 Yigang Cai System and method for communicating charging data records
CN113094292B (zh) 2020-01-09 2022-12-02 上海宝存信息科技有限公司 数据存储装置以及非挥发式存储器控制方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3651483A (en) * 1969-01-03 1972-03-21 Ibm Method and means for searching a compressed index
US3541529A (en) * 1969-09-22 1970-11-17 Ibm Replacement system
US3717851A (en) * 1971-03-03 1973-02-20 Ibm Processing of compacted data
US3848235A (en) * 1973-10-24 1974-11-12 Ibm Scan and read control apparatus for a disk storage drive in a computer system

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2310055A (en) * 1996-02-08 1997-08-13 Ibm Compression of structured data
US11070860B2 (en) 2013-02-14 2021-07-20 Comcast Cable Communications, Llc Content delivery
US20200092680A1 (en) * 2014-06-16 2020-03-19 Comcast Cable Communications, Llc User Location and Identity Awareness
US11172333B2 (en) * 2014-06-16 2021-11-09 Comcast Cable Communications, Llc User location and identity awareness
US11722848B2 (en) 2014-06-16 2023-08-08 Comcast Cable Communications, Llc User location and identity awareness
US11622160B2 (en) 2014-08-11 2023-04-04 Comcast Cable Communications, Llc Merging permissions and content access

Also Published As

Publication number Publication date
FR2289961B1 (fr) 1981-05-22
FR2289961A1 (fr) 1976-05-28
DE2547035C3 (de) 1980-12-11
HU175241B (hu) 1980-06-28
AU8380275A (en) 1977-02-10
US4064489A (en) 1977-12-20
DE2547035B2 (de) 1980-04-10
ZA755134B (en) 1976-07-28
DE2547035A1 (de) 1976-05-06

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years

Effective date: 19950721